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Finding the Fourth Proportional to 323,999.70, 485,999.55 and 182,282.10

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Solution

The fourth proportional to 323,999.70, 485,999.55 and 182,282.10 is: 273,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,999.70 : 485,999.55 = 182,282.10 : x
  2. Step 2: Convert to fraction form
    323,999.70/485,999.55 = 182,282.10/x
  3. Step 3: Cross multiply
    323,999.70x = 485,999.55 × 182,282.10
  4. Step 4: Simplify right side
    323,999.70x = 88,589,018,573.06
  5. Step 5: Solve for x
    x = 88,589,018,573.06/323,999.70
  6. Step 6: Final answer
    x = 273,423.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.